ES2033406T3 - Procedimiento para la fabricacion en continuo de monoisocianatos o poliisocianatos. - Google Patents
Procedimiento para la fabricacion en continuo de monoisocianatos o poliisocianatos.Info
- Publication number
- ES2033406T3 ES2033406T3 ES198888120892T ES88120892T ES2033406T3 ES 2033406 T3 ES2033406 T3 ES 2033406T3 ES 198888120892 T ES198888120892 T ES 198888120892T ES 88120892 T ES88120892 T ES 88120892T ES 2033406 T3 ES2033406 T3 ES 2033406T3
- Authority
- ES
- Spain
- Prior art keywords
- mono
- monoisocianates
- polyisocianates
- procedure
- component
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C265/00—Derivatives of isocyanic acid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/24—Stationary reactors without moving elements inside
- B01J19/2405—Stationary reactors without moving elements inside provoking a turbulent flow of the reactants, such as in cyclones, or having a high Reynolds-number
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/24—Stationary reactors without moving elements inside
- B01J19/2415—Tubular reactors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/26—Nozzle-type reactors, i.e. the distribution of the initial reactants within the reactor is effected by their introduction or injection through nozzles
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C263/00—Preparation of derivatives of isocyanic acid
- C07C263/10—Preparation of derivatives of isocyanic acid by reaction of amines with carbonyl halides, e.g. with phosgene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00105—Controlling the temperature by indirect heating or cooling employing heat exchange fluids part or all of the reactants being heated or cooled outside the reactor while recycling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00164—Controlling or regulating processes controlling the flow
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Medicinal Preparation (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Image Analysis (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3744001A DE3744001C1 (de) | 1987-12-24 | 1987-12-24 | Verfahren zur kontinuierlichen Herstellung von Mono- oder Polyisocyanaten |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2033406T3 true ES2033406T3 (es) | 1993-03-16 |
Family
ID=6343536
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES198888120892T Expired - Lifetime ES2033406T3 (es) | 1987-12-24 | 1988-12-14 | Procedimiento para la fabricacion en continuo de monoisocianatos o poliisocianatos. |
Country Status (17)
Country | Link |
---|---|
US (1) | US5117048A (zh) |
EP (1) | EP0322647B1 (zh) |
JP (1) | JP2719813B2 (zh) |
KR (1) | KR970011455B1 (zh) |
CN (1) | CN1014606B (zh) |
AT (1) | ATE73764T1 (zh) |
AU (1) | AU608725B2 (zh) |
BR (1) | BR8806867A (zh) |
CA (1) | CA1317306C (zh) |
DD (1) | DD280100A5 (zh) |
DE (2) | DE3744001C1 (zh) |
ES (1) | ES2033406T3 (zh) |
MX (1) | MX169466B (zh) |
PT (1) | PT89218B (zh) |
RU (1) | RU1773260C (zh) |
YU (1) | YU233588A (zh) |
ZA (1) | ZA889573B (zh) |
Families Citing this family (58)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2778305B2 (ja) * | 1991-10-01 | 1998-07-23 | 松下電器産業株式会社 | 水道監視装置 |
US5908913A (en) * | 1992-02-03 | 1999-06-01 | Bayer Aktiengesellschaft | Process for the continuous production of polyurethane and polyurethane urea prepolymers |
DE4202972A1 (de) * | 1992-02-03 | 1993-08-05 | Bayer Ag | Verfahren zur kontinuierlichen herstellung von polyurethan- und polyurethanharnstoff-praepolymeren |
DE4202973A1 (de) * | 1992-02-03 | 1993-08-05 | Bayer Ag | Verfahren zur kontinuierlichen herstellung von polyurethan- und polyurethanharnstoff-elastomeren |
DE4318893A1 (de) | 1993-06-07 | 1994-12-08 | Bayer Ag | Reaktor und damit durchzuführendes kontinuierliches Verfahren zur Herstellung von Ethylenglykolcarbonat bzw. Propylenglykolcarbonat |
DE4437047A1 (de) * | 1994-10-17 | 1996-04-18 | Bayer Ag | Verfahren zur Dinitrierung von aromatischen Verbindungen |
DE4443642A1 (de) * | 1994-12-08 | 1996-06-13 | Bayer Ag | Kontinuierliches Verfahren zur Herstellung von organischen Isocyanaten |
DE19638567A1 (de) * | 1996-09-20 | 1998-03-26 | Bayer Ag | Mischer-Reaktor und Verfahren zur Durchführung von Reaktionen, insbesondere die Phosgenierung von primären Aminen |
DE19800529A1 (de) | 1998-01-09 | 1999-07-15 | Bayer Ag | Verfahren zur Phosgenierung von Aminen in der Gasphase unter Einsatz von Mikrostrukturmischern |
DE19817691A1 (de) * | 1998-04-21 | 1999-10-28 | Basf Ag | Verfahren zur Herstellung von Mischungen aus Diphenylmehandiisocyanaten und Polyphenylen-polymethylen-polyisocyanaten mit vermindertem Gehalt an chlorierten Nebenprodukten und verminderter Jodfarbzahl |
DE19905572A1 (de) * | 1999-02-11 | 2000-08-31 | Bayer Ag | Vorrichtung zum Mischen und Reagieren mehrphasiger gasförmiger und flüssiger Gemische und Verwendung dieser Vorrichtung |
DE10026142A1 (de) * | 2000-05-26 | 2001-12-13 | Basf Ag | Verfahren und Vorrichtung zur kontinuierlichen Herstellung von organischen Mono- oder Polyisocyanaten |
DE10032269A1 (de) * | 2000-07-03 | 2002-01-31 | Basf Ag | Verfahren und Vorrichtung zur Verringerung von Nebenprodukten bei der Vermischung von Eduktströmen |
DE10133729A1 (de) | 2001-07-11 | 2003-01-23 | Bayer Ag | Verfahren zur Herstellung von (cyclo)aliphatischen Diisocyanaten |
DE10222968A1 (de) * | 2002-05-23 | 2003-12-04 | Basf Ag | Verfahren zur Herstellung von Isocyanaten |
US20040008572A1 (en) * | 2002-07-09 | 2004-01-15 | Stuart Joseph Y. | Coaxial jet mixer nozzle with protruding centerbody and method for mixing two or more fluid components |
CN100513637C (zh) * | 2002-10-25 | 2009-07-15 | Oc奥林肯巴尔策斯股份有限公司 | 生产半导体器件的方法和由该方法获得的器件 |
DE10260082A1 (de) | 2002-12-19 | 2004-07-01 | Basf Ag | Verfahren zur kontinuierlichen Herstellung von Isocyanaten |
DE10310888A1 (de) | 2003-03-11 | 2004-09-23 | Basf Ag | Verfahren zur Herstellung von Polyisocyanaten |
DE102004027705B4 (de) * | 2004-06-07 | 2006-10-26 | Bayer Materialscience Ag | Verfahren zur Herstellung von Polyurethan- und/oder Polyurethanharnstoff-Prepolymeren |
BRPI0513599B1 (pt) * | 2004-07-20 | 2016-03-22 | Dow Global Technologies Inc | aparelho de misturação por cisalhamento e método de misturação |
CN100366607C (zh) * | 2005-02-28 | 2008-02-06 | 北京金源化学集团有限公司 | 应用固体光气制备多异氰酸酯的方法 |
JP2007021327A (ja) * | 2005-07-14 | 2007-02-01 | Nippon Steel Chem Co Ltd | マイクロデバイス及びビスフェノール類の製造方法 |
US7547801B2 (en) * | 2006-06-26 | 2009-06-16 | Bayer Materialscience Llc | Process for the continuous preparation of isocyanates |
CN101153015B (zh) * | 2006-09-28 | 2010-06-16 | 宁波万华聚氨酯有限公司 | 一种孔射流式反应器及利用该反应器制备异氰酸酯的方法 |
EP2151274B1 (en) | 2006-12-27 | 2012-09-19 | Ningbo Wanhua Polyurethanes Co., Ltd. | Orifice jet-type injection reactor |
CN101209405B (zh) * | 2006-12-27 | 2013-08-28 | 宁波万华聚氨酯有限公司 | 一种孔射流式喷射反应器 |
CN101663084B (zh) | 2007-03-15 | 2013-01-23 | 陶氏环球技术公司 | 用于连续流反应器的混合器、形成该混合器的方法及操作该混合器的方法 |
DE102007020444A1 (de) | 2007-04-27 | 2008-11-06 | Bayer Materialscience Ag | Verfahren zur Oxidation eines Chlorwasserstoffenthaltenden Gasgemisches |
EP2014641A3 (en) * | 2007-06-06 | 2009-03-18 | Huntsman International Llc | Process for preparing mixtures of diphenylmethane diisocyanates and polyphenyl polymethylene polyisocyanates |
US8206652B2 (en) | 2007-08-21 | 2012-06-26 | Ningbo Wanhua Polyurethanes Co., Ltd. | Jet reactor with flow ducts and process for preparing isocyanates using it |
HUP0700771A2 (en) * | 2007-11-30 | 2010-08-30 | Borsodchem Nyrt | Mixing device for mixing two liquids and process for the continuous preparation of organic mono-, di- or polysocianates |
DE102007061688A1 (de) | 2007-12-19 | 2009-06-25 | Bayer Materialscience Ag | Verfahren und Mischaggregat zur Herstellung von Isocyanaten durch Phosgenierung primärer Amine |
CN102119145B (zh) * | 2008-08-07 | 2014-06-18 | 巴斯夫欧洲公司 | 制备芳香族异氰酸酯的方法 |
FR2940283B1 (fr) * | 2008-12-18 | 2011-03-11 | Perstorp Tolonates France | Utilisation d'un reacteur de type piston pour la mise en oeuvre d'un procede de phosgenation. |
CN101623615B (zh) * | 2009-08-11 | 2011-11-23 | 赛鼎工程有限公司 | 套筒分布式气相光气化反应器及用于合成异氰酸酯的方法 |
CN101708438B (zh) * | 2009-12-04 | 2011-12-28 | 天津大学 | 一种混合器及制备有机异氰酸酯的方法 |
US20110230679A1 (en) * | 2010-03-16 | 2011-09-22 | Dow Global Technologies, Inc. | Reactive Static Mixer |
US20110228630A1 (en) * | 2010-03-16 | 2011-09-22 | Dow Global Technologies, Inc. | Reduced Transit Static Mixer Configuration |
WO2011130901A1 (zh) * | 2010-04-19 | 2011-10-27 | 烟台万华聚氨酯股份有限公司 | 一种动态孔射流式反应器及采用该反应器制备异氰酸酯的方法 |
CN101805272B (zh) * | 2010-04-21 | 2013-08-28 | 万华化学集团股份有限公司 | 一种通过界面光气化反应制备异氰酸酯的方法 |
KR101959934B1 (ko) | 2010-09-28 | 2019-03-19 | 다우 글로벌 테크놀로지스 엘엘씨 | 직교류 장애물을 구비한 반응성 유동 정적 혼합기 |
BR112012029403B1 (pt) | 2010-12-29 | 2018-11-27 | Wanhua Chemical Group Co., Ltd. | reator de rápida mistura de alta velocidade e sua aplicação |
EP2751073B2 (de) * | 2011-09-02 | 2022-12-14 | Basf Se | Verfahren zur herstellung von isocyanaten |
JP2014534053A (ja) | 2011-09-30 | 2014-12-18 | ダウ グローバル テクノロジーズ エルエルシー | アミンのホスゲン化のための高度に分離されたジェットミキサ |
CN104411681B (zh) | 2012-07-11 | 2017-03-29 | 科思创德国股份有限公司 | 后处理由制备异氰酸酯产生的蒸馏残渣的方法 |
JP6225190B2 (ja) | 2012-09-24 | 2017-11-01 | コベストロ、ドイチュラント、アクチエンゲゼルシャフトCovestro Deutschland Ag | ジアミン懸濁液をホスゲン化することによりジイソシアネートを生成する方法 |
CN103084134B (zh) * | 2012-12-12 | 2015-04-22 | 万华化学集团股份有限公司 | 一种动态孔射流式混合反应器及使用其生产二苯基甲烷系列二胺和多胺的方法 |
WO2015144658A1 (de) | 2014-03-27 | 2015-10-01 | Bayer Materialscience Ag | Verfahren zur herstellung von isocyanaten |
SG11201610637WA (en) | 2014-06-24 | 2017-01-27 | Covestro Deutschland Ag | Methods for producing chemical products with operation interruptions |
CN105688791A (zh) * | 2014-11-28 | 2016-06-22 | 上海弗鲁克科技发展有限公司 | 一种喷射反应器 |
KR20180022843A (ko) | 2015-06-29 | 2018-03-06 | 코베스트로 도이칠란트 아게 | 폴리이소시아네이트를 제조하는 방법 |
HUE046418T2 (hu) | 2015-06-29 | 2020-03-30 | Covestro Deutschland Ag | Eljárás kémiai átalakításokhoz hidrogénklorid biztosítására |
JP7022113B2 (ja) | 2016-08-17 | 2022-02-17 | コベストロ、ドイチュラント、アクチエンゲゼルシャフト | 統合された製造におけるイソシアネートおよび少なくとも1つの追加の化学製品の製造方法 |
HUE053661T2 (hu) | 2016-12-21 | 2021-07-28 | Covestro Intellectual Property Gmbh & Co Kg | Eljárás egy izocianát elõállítására |
DE102018004071A1 (de) | 2018-05-22 | 2019-11-28 | Gertraud Scholz | Nichtionische Soil Release Polyester und deren Verwendung |
US20220332677A1 (en) | 2019-09-17 | 2022-10-20 | Covestro Deutschland Ag | Method for producing isocyanates |
EP4378576A1 (en) * | 2022-11-29 | 2024-06-05 | Basf Se | Apparatus and process for preparing isocyanates |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2563002A (en) * | 1948-10-06 | 1951-08-07 | Standard Oil Co | Mixing device |
US3226410A (en) * | 1962-07-20 | 1965-12-28 | Fmc Corp | Continuous method of preparing aromatic isocyanates |
US3507626A (en) * | 1965-10-15 | 1970-04-21 | Mobay Chemical Corp | Venturi mixer |
GB1238669A (zh) * | 1968-03-12 | 1971-07-07 | ||
US3947484A (en) * | 1971-10-26 | 1976-03-30 | Bayer Aktiengesellschaft | Continuous prephosgenation process for the production of organic isocyanates |
US4289732A (en) * | 1978-12-13 | 1981-09-15 | The Upjohn Company | Apparatus for intimately admixing two chemically reactive liquid components |
CA1137076A (en) * | 1978-12-13 | 1982-12-07 | John R. Bauer | Fluid spray mixer - reactor system |
-
1987
- 1987-12-24 DE DE3744001A patent/DE3744001C1/de not_active Expired
-
1988
- 1988-12-14 ES ES198888120892T patent/ES2033406T3/es not_active Expired - Lifetime
- 1988-12-14 EP EP88120892A patent/EP0322647B1/de not_active Expired - Lifetime
- 1988-12-14 US US07/284,204 patent/US5117048A/en not_active Expired - Lifetime
- 1988-12-14 DE DE8888120892T patent/DE3869370D1/de not_active Expired - Lifetime
- 1988-12-14 AT AT88120892T patent/ATE73764T1/de not_active IP Right Cessation
- 1988-12-14 PT PT89218A patent/PT89218B/pt not_active IP Right Cessation
- 1988-12-16 MX MX014218A patent/MX169466B/es unknown
- 1988-12-20 CA CA000586470A patent/CA1317306C/en not_active Expired - Fee Related
- 1988-12-22 ZA ZA889573A patent/ZA889573B/xx unknown
- 1988-12-22 DD DD88323718A patent/DD280100A5/de not_active IP Right Cessation
- 1988-12-22 KR KR1019880017219A patent/KR970011455B1/ko not_active IP Right Cessation
- 1988-12-22 JP JP63322285A patent/JP2719813B2/ja not_active Expired - Fee Related
- 1988-12-22 YU YU02335/88A patent/YU233588A/xx unknown
- 1988-12-23 RU SU884613106A patent/RU1773260C/ru active
- 1988-12-23 AU AU27523/88A patent/AU608725B2/en not_active Ceased
- 1988-12-24 CN CN88105193A patent/CN1014606B/zh not_active Expired
- 1988-12-26 BR BR888806867A patent/BR8806867A/pt not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DD280100A5 (de) | 1990-06-27 |
RU1773260C (ru) | 1992-10-30 |
CN1014606B (zh) | 1991-11-06 |
EP0322647A1 (de) | 1989-07-05 |
CA1317306C (en) | 1993-05-04 |
DE3744001C1 (de) | 1989-06-08 |
JPH02756A (ja) | 1990-01-05 |
KR890010009A (ko) | 1989-08-05 |
AU608725B2 (en) | 1991-04-11 |
EP0322647B1 (de) | 1992-03-18 |
AU2752388A (en) | 1989-06-29 |
YU233588A (en) | 1990-02-28 |
BR8806867A (pt) | 1989-08-29 |
DE3869370D1 (de) | 1992-04-23 |
CN1034536A (zh) | 1989-08-09 |
PT89218B (pt) | 1993-07-30 |
US5117048A (en) | 1992-05-26 |
ATE73764T1 (de) | 1992-04-15 |
PT89218A (pt) | 1989-12-29 |
ZA889573B (en) | 1990-07-25 |
MX169466B (es) | 1993-07-06 |
KR970011455B1 (ko) | 1997-07-11 |
JP2719813B2 (ja) | 1998-02-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES2033406T3 (es) | Procedimiento para la fabricacion en continuo de monoisocianatos o poliisocianatos. | |
ES2052829T3 (es) | Aminoetiltetralinas substituidas asi como sus analogos heterociclicos. | |
ATE9355T1 (de) | Verfahren zur herstellung von 4,1',6'-trichlor4,1',6'-trideoxygalactosucrose (tgs). | |
DK196287A (da) | Slagseje polyamid-formmasser | |
KR880701738A (ko) | Co₂처리에 의한 알기네이트 또는 타 우론산의 변형 | |
FI823072A0 (fi) | Foerfarande foer framstaellning, isolation och rening av dipeptidsoetningsmedel | |
ES2163038T3 (es) | Procedimiento para la preparacion de clavulanato de potasio. | |
ES2152571T3 (es) | Procedimiento para la preparacion de dioxoazabiciclohexanos. | |
FR1282229A (fr) | Procédé d'obtention biologique de la streptokinase | |
DE3783888D1 (de) | Herstellung substituierter aromatischer amine. | |
MX171955B (es) | Preparacion de mezclas de isomeros de cypermethrin o cyfluthrin enriquecidos en especies mas activas | |
JPS52139080A (en) | Preparation of 1-carbamoyluracils | |
DE59603757D1 (de) | Verfahren zur Herstellung von kristallinem O-Isopropylisoharnstoff-hydrochlorid | |
ATE1239T1 (de) | Verfahren zur herstellung von 4-amino-5-chlor-1-phenyl-pyridazon-(6). | |
BR8305272A (pt) | Composto de 1,2,3,4-tetra-hidro-1-aminometil-4-fenil-isoquinolina e processo de preparacao | |
JPS52111472A (en) | Fixing method of yarn bundle tip part | |
JPS53144543A (en) | Improved method of producing cylcohexane derivative | |
JPS5256194A (en) | Process for copolyesterpolyol | |
ES2059465T3 (es) | N,n'-bis(trans-4-isocianatociclohexil) urea, procedimiento para su preparacion y uso. | |
JPS5726658A (en) | 4r -4- 3-substituted carboxy-3-diazo-2-oxopropyl -2- azetidinone derivative and its preparation | |
JPS53146800A (en) | Polybenzimidazolone having pendant sulfonic acid groups, its preparation and selective permeable membranes | |
KR900016090A (ko) | 연속적 방법에 의한 파라니트로소페놀의 제조방법 및 장치 | |
DE3761433D1 (de) | Verfahren zur herstellung von 6-aryl-2-methyl-pyridinen. | |
HU205739B (en) | Process for producing liquid biofertilizer basic material of slow degradation, with high organic material content, and which may be enriched with trace elements, by using hair and/or horn and/or hoof and/or claw slaugther-houses | |
JPS5229895A (en) | Process for producing polyamides |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
Ref document number: 322647 Country of ref document: ES |